Analysis & Opinions

This year's G7 summit in Hiroshima sees nuclear disarmament and non-proliferation sitting high on the agenda, amid rising tensions between the nuclear states and an increasingly divided international order.  Six contributors offer their analyses, including the Belfer Center's Mayumi Fukushima.

Joseph Nye considers U.S. options for risk reductions as nuclear threats escalate and China-Taiwan tensions rise.

Stephen Walt outlines how Washington and Beijing could stop the war in Ukraine.

Stephen Walt argues that prudent states should not assume that a norm against conquest will suffice to protect them; adequate hard power, shrewd diplomacy, and reliable allies are better—if still imperfect—guarantees.

Belfer Center experts on the U.S.-China relationship and Middle East issues shared thoughts on the significance of the unexpected Iran-Saudi Arabia agreement brokered by China. 

Dara Kay Cohen explains why prosecutions are important, but not as the main policy lever for deterrence. A concerted, long-term, and multi-pronged effort is needed to address the root causes of conflict-related sexual violence.

Stephen Walt, having just returned from the Munich Security Conference, writes that what government officials are saying about the Ukraine War in public, and private, is fascinating—and full of contradictions.

Stephen Walt explains why Putin understood that Ukraine's fate was more important to Russia than it was to the West.

Stephen Walt argues that states that can attract and retain allies are more likely to succeed than those whose actions cause others to join forces against them.

Stephen Walt enumerates five lessons that leaders and publics around the world might learn after a year of war in Ukraine.